Home / 145,341.20-218,044.20-56,586.80

Finding the Fourth Proportional to 145,341.20, 218,044.20 and 56,586.80

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Solution

The fourth proportional to 145,341.20, 218,044.20 and 56,586.80 is: 84,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,341.20 : 218,044.20 = 56,586.80 : x
  2. Step 2: Convert to fraction form
    145,341.20/218,044.20 = 56,586.80/x
  3. Step 3: Cross multiply
    145,341.20x = 218,044.20 × 56,586.80
  4. Step 4: Simplify right side
    145,341.20x = 12,338,423,536.56
  5. Step 5: Solve for x
    x = 12,338,423,536.56/145,341.20
  6. Step 6: Final answer
    x = 84,892.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.